var labels=document.getElementsByTagName("div")[5].getElementsByTagName("label");

for(var i=0;i<labels.length;i++){

	EventUtil.addHandler(labels[i],"click",function(event){
		var _event=EventUtil.getEvent(event);
	    var _target=EventUtil.getTarget(_event);
		for(var j=0;j<labels.length;j++){
			labels[j].className="";
		}
		 _target.className="usercheck";
     });
}